1// SPDX-License-Identifier: GPL-2.0-only
 2// Copyright (c) 2020 Intel Corporation
 3
 4/*
 5 *  sof_sdw_hdmi - Helpers to handle HDMI from generic machine driver
 6 */
 7
 8#include <linux/acpi.h>
 9#include <linux/device.h>
10#include <linux/errno.h>
11#include <linux/kernel.h>
12#include <linux/list.h>
13#include <linux/soundwire/sdw_intel.h>
14#include <sound/soc.h>
15#include <sound/soc-acpi.h>
16#include <sound/jack.h>
17#include "sof_sdw_common.h"
18#include "hda_dsp_common.h"
19
 
 
 
 
 
 
20int sof_sdw_hdmi_init(struct snd_soc_pcm_runtime *rtd)
21{
22	struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(rtd->card);
23	struct intel_mc_ctx *intel_ctx = (struct intel_mc_ctx *)ctx->private;
24	struct snd_soc_dai *dai = snd_soc_rtd_to_codec(rtd, 0);
 
 
 
 
 
 
 
 
25
26	intel_ctx->hdmi.hdmi_comp = dai->component;
27
28	return 0;
29}
30
 
31int sof_sdw_hdmi_card_late_probe(struct snd_soc_card *card)
32{
33	struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
34	struct intel_mc_ctx *intel_ctx = (struct intel_mc_ctx *)ctx->private;
 
35
36	if (!intel_ctx->hdmi.idisp_codec)
37		return 0;
38
39	if (!intel_ctx->hdmi.hdmi_comp)
40		return -EINVAL;
41
42	return hda_dsp_hdmi_build_controls(card, intel_ctx->hdmi.hdmi_comp);
 
 
 
 
43}

 1// SPDX-License-Identifier: GPL-2.0-only
 2// Copyright (c) 2020 Intel Corporation
 3
 4/*
 5 *  sof_sdw_hdmi - Helpers to handle HDMI from generic machine driver
 6 */
 7
 
 8#include <linux/device.h>
 9#include <linux/errno.h>
10#include <linux/kernel.h>
11#include <linux/list.h>
 
12#include <sound/soc.h>
13#include <sound/soc-acpi.h>
14#include <sound/jack.h>
15#include "sof_sdw_common.h"
16#include "hda_dsp_common.h"
17
18struct hdmi_pcm {
19	struct list_head head;
20	struct snd_soc_dai *codec_dai;
21	int device;
22};
23
24int sof_sdw_hdmi_init(struct snd_soc_pcm_runtime *rtd)
25{
26	struct mc_private *ctx = snd_soc_card_get_drvdata(rtd->card);
27	struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
28	struct hdmi_pcm *pcm;
29
30	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
31	if (!pcm)
32		return -ENOMEM;
33
34	/* dai_link id is 1:1 mapped to the PCM device */
35	pcm->device = rtd->dai_link->id;
36	pcm->codec_dai = dai;
37
38	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
39
40	return 0;
41}
42
43#define NAME_SIZE	32
44int sof_sdw_hdmi_card_late_probe(struct snd_soc_card *card)
45{
46	struct mc_private *ctx = snd_soc_card_get_drvdata(card);
47	struct hdmi_pcm *pcm;
48	struct snd_soc_component *component = NULL;
49
50	if (!ctx->idisp_codec)
51		return 0;
52
53	if (list_empty(&ctx->hdmi_pcm_list))
54		return -EINVAL;
55
56	pcm = list_first_entry(&ctx->hdmi_pcm_list, struct hdmi_pcm,
57			       head);
58	component = pcm->codec_dai->component;
59
60	return hda_dsp_hdmi_build_controls(card, component);
61}